NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 789 - 795 of 1259

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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.

Question number: 790

» Organic Compounds with Oxygen » Preparation, Properties and Reactions and Uses

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MCQ▾

Question

Final product formed on reduction of glycerol by hydroiodic acid is

Choices

Choice (4)Response

a.

Propene

b.

Propyne

c.

Propane

d.

Propanoic acid

Question number: 791

» Biomolecules » Carbohydrates

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MCQ▾

Question

Which of the following product will be formed when glucose in heated with phenyl hydrazine?

Choices

Choice (4)Response

a.

Glucosazone

b.

Glucose oxime

c.

Glucose phenylhydrazone

d.

None of the above

Question number: 792

» Basic Concepts in Chemistry » Atomic and Molecular Masses

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MCQ▾

Question

The decomposition of certain mass of The mass of Required to completely neutralize the gas is?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 793

» Atomic Structure » De-Broglie's Relationship

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MCQ▾

Question

Which of the following is the de-Broglie wavelength associated with uncharged particles for gas molecules?

Choices

Choice (4)Response

a.

b.

c.

d.

Both b. and a. are correct

Question number: 794

» Basic Concepts in Chemistry » Atomic and Molecular Masses

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MCQ▾

Question

If mass of neutron is assumed to half of it’s original value, whereas that of proton is assumed to be twice of it’s original value then the atomic mass of will be?

Choices

Choice (4)Response

a.

less

b.

more

c.

less

d.

Same

Question number: 795

» Atomic Structure » Rules for Filling Electrons in Orbitals

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MCQ▾

Question

In how many elements does the last electron have the quantum numbers of

Choices

Choice (4)Response

a.

4

b.

10

c.

8

d.

6

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