NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 781 - 786 of 1258

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Question number: 781

» Biomolecules » Carbohydrates

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MCQ▾

Question

Calculate the specific rotation of invert sugar given that for D-glucose and

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 782

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

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MCQ▾

Question

0rder of acidity of H2O, NH3 and acetylene is -

Choices

Choice (4) Response

a.

H2O HC CH NH3

b.

H2O NH3 HCSCH

c.

NH3 H2O HC = CH

d.

NH3 CH = CH H2O

Question number: 783

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

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MCQ▾

Question

An organic compound dissolved in dry benzene evolved hydrogen on treatment with sodium. It is

Choices

Choice (4) Response

a.

An alcohol

b.

A tertiary amine

c.

An aldehyde

d.

A ketone

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