NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 784 - 789 of 1258

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Question number: 784

» States of Matter » Solid State » Classification of Solids

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Appeared in Year: 2016

MCQ▾

Question

The decomposition of phosphine (PH3) on tungsten at low pressure is a first-order reaction. It is because the

Choices

Choice (4)Response

a.

Rate is proportional to the surface coverage

b.

Rate of decomposition is very slow

c.

Rate is inversely proportional to the surface coverage

d.

Rate is independent of the surface coverage

Question number: 785

» Basic Concepts in Chemistry » Physical Quantities and Measurements

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MCQ▾

Question

What volume of a liquid will contain + mole? Molar mass of liquid is 280 and its density is ?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 786

» Solutions » Raoult's Law

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Appeared in Year: 2016

MCQ▾

Question

Which one of the following is incorrect for ideal solution?

Choices

Choice (4)Response

a.

- =0

b.

=0

c.

=0

d.

=0

Question number: 787

» Hydrocarbons » Alkynes » Addition of Hydrogen, Halogens, Water and Hydrogen Halides

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MCQ▾

Question

The product formed by the addition of HBr to propyne in the presence of H2O2 is

Choices

Choice (4)Response

a.

Product formed by the addition of HBr to propyne: Choice A

Product Formed by the Addition of HBr to Propyne: Choice A

Product formed by the addition of HBr to propyne

b.

Product formed by the addition of HBr to propyne: Choice B

Product Formed by the Addition of HBr to Propyne: Choice B

Product formed by the addition of HBr to propyne

c.

Product formed by the addition of HBr to propyne: Choice C

Product Formed by the Addition of HBr to Propyne: Choice C

Product formed by the addition of HBr to propyne

d.

Question does not provide sufficient data or is vague

Question number: 788

» Organic Compounds with Oxygen » Alcohols » Primary, Secondary and Tertiary Alcohols

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MCQ▾

Question

Action of nitrous acid with ethylamine produces

Choices

Choice (4)Response

a.

Ammonia

b.

Nitroethane

c.

Ethane

d.

Ethyl alcohol

Question number: 789

» Atomic Structure » Bohr Model of Hydrogen Atom

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MCQ▾

Question

How many times does light travel faster in vacuum than an electron in Bohr first orbit of hydrogen atom?

Choices

Choice (4)Response

a.

b.

c.

d.

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