What are the conditions for gas like Carbon monoxide to obey the ideal gas laws?
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16%
(a) low temperature and low pressure
24%
(b) low temperature and high pressure
53%
(c) high temperature and low pressure
8%
(d) high temperature and high pressure
If the temperature is doubled, the average velocity of a gaseous molecule increases by
Anonymous Quiz
50%
(a) 4
50%
(b) 1.4
Find the fraction of the total pressure exerted by hydrogen if it is mixed with ethane in an empty container at 25℃
Anonymous Quiz
56%
(a) 15/16
44%
(b) 1/16
Find the molecular mass of a gas that takes three times more time to effuse as compared to He with the same volume
Anonymous Quiz
13%
(a) 9 u
33%
(b) 64 u
30%
(c) 27 u
23%
(d) 36 u
If 1.204 x 10²¹ molecules of H2SO4 are removed from 392 mg of H2SO4, find the moles of H2SO4 left.
Anonymous Quiz
31%
(a) 4 x 10-³
45%
(b) 1.5 x 10-³
24%
(c) 2 x 10-³
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Trick to Remember Some bi-carboxylic acid
🌟1.Oxalic acid- 0 carbon- Oh
🌟2.Maleic acid- 1 carbon- My
🌟3.Succinic acid- 2 carbon- Sun
🌟4.Glutamic acid-3 carbon- Go
🌟5.Adipic acid- 4 carbon- And
🌟6.Palmitic acid- 5 carbon- play
Number of carbons refers number of -CH2 group between two COOH group.
For e.g HOOC-COOH (OXALIC ACID) there is no CH2 group between carboxyl. Maleic acid is HOOC-CH2-COOH there is one CH2 group in betwen. This is how you can remember some bi-carboxylic acid.
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🌟1.Oxalic acid- 0 carbon- Oh
🌟2.Maleic acid- 1 carbon- My
🌟3.Succinic acid- 2 carbon- Sun
🌟4.Glutamic acid-3 carbon- Go
🌟5.Adipic acid- 4 carbon- And
🌟6.Palmitic acid- 5 carbon- play
Number of carbons refers number of -CH2 group between two COOH group.
For e.g HOOC-COOH (OXALIC ACID) there is no CH2 group between carboxyl. Maleic acid is HOOC-CH2-COOH there is one CH2 group in betwen. This is how you can remember some bi-carboxylic acid.
➖➖➖➖➖➖➖➖➖➖➖➖
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Statement I : In the reaction between NH3 and BF3 to form adduct Lewis acid is BF3
Statement II : Electron deficient species are Lewis bases.
Statement II : Electron deficient species are Lewis bases.
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17%
Both statement I and II are correct
33%
Statement I is incorrect and statement II is correct
44%
Both statements are false
6%
Statement I is correct and statement II is incorrect
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Reductic acid contains 52.63% carbon, 5.30% hydrogen and 42.07% oxygen. Its empirical formula is the same as its molecular formula. What is the number of carbon atoms in a molecule of this acid?
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9%
4
39%
5
30%
6
22%
8
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Statement I : Functional group in picric acid is -COOH group
Statement II: In phenol- OH group is a ortho, para directing group and ring activating group
Statement II: In phenol- OH group is a ortho, para directing group and ring activating group
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23%
Statement I and II are correct
14%
Statement I and II are Incorrect
41%
Statement –I is true, statement-II is false
23%
Statement –I is false, statement-II is true
Number of Pi bonds in phenyl benzoate are ‘X’. Number of lone pairs in phenyl benzoate are ‘Y’ .Correct relation is
Anonymous Quiz
25%
X+Y=11
29%
2X+Y=11
46%
X+2Y=11
0%
X-Y=11
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The base-emitter junctions of a transistor is
Anonymous Quiz
21%
a wide depletion layer
46%
Low resistance
21%
a reverse bias
11%
None
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Some Important Fungi:
Yeast- used in fermentation to make cheese, bread, beer
Penicillium- antibiotics source
Puccinia- causes wheat rust
Ustilago- causes smut disease
Symbionts- Lichens (symbiotic association of fungi with algae), Mycorrhiza (symbiotic association of fungi with roots of green plants)
Rhizopus- the bread mould
Albugo- the parasitic fungi on mustard
Neurospora- extensively used in genetic and biochemical work
Truffles and Morels- edible and are considered a delicacy
Agaricus- edible as well as poisonous species
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Yeast- used in fermentation to make cheese, bread, beer
Penicillium- antibiotics source
Puccinia- causes wheat rust
Ustilago- causes smut disease
Symbionts- Lichens (symbiotic association of fungi with algae), Mycorrhiza (symbiotic association of fungi with roots of green plants)
Rhizopus- the bread mould
Albugo- the parasitic fungi on mustard
Neurospora- extensively used in genetic and biochemical work
Truffles and Morels- edible and are considered a delicacy
Agaricus- edible as well as poisonous species
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❤3
What is the collector current when the base resistor is open?
Anonymous Quiz
20%
1 mA
23%
2 mA
57%
0
0%
10 mA
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Will a transistor act as a closed switch by defining the requisite magnitude of saturation level with an equivalent amount of
Anonymous Quiz
33%
negative control voltage
42%
both negative & positive control voltages
21%
positive control voltage
3%
none of the above
Number of Pi bonds in phenyl benzoate are ‘X’. Number of lone pairs in phenyl benzoate are ‘Y’ .Correct relation is
Anonymous Quiz
33%
X+Y=11
21%
2X+Y=11
41%
X+2Y=11
5%
X-Y=11
👏1
For a given gas at same temperature
f1 = fraction of molecules having most probable velocity f2 = fraction of molecules having most probable velocity f3 = fraction of molecules having most probable velocity Then the correct relation between them is
f1 = fraction of molecules having most probable velocity f2 = fraction of molecules having most probable velocity f3 = fraction of molecules having most probable velocity Then the correct relation between them is
Anonymous Quiz
29%
f1 > f2 > f3
26%
f3 > f2 > f1
26%
f1 > f3 > f2
18%
f1 = f2 = f3
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