NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 712 - 718 of 1258

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Question number: 712

» Basic Concepts in Chemistry » Physical Quantities and Measurements

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MCQ▾

Question

If the volume occupied in a crystal by a molecule of Calculate the volume of the crystal weighing ?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 713

» Atomic Structure » Rules for Filling Electrons in Orbitals

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MCQ▾

Question

What is the total number of orbitals in the shell to which the subshell first arise?

Choices

Choice (4) Response

a.

25

b.

9

c.

20

d.

16

Question number: 714

» Atomic Structure » De-Broglie's Relationship

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MCQ▾

Question

If the kinetic energy of particle is doubled, de-Broglie wavelength becomes?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 715

» Principles of Organic Chemistry » Shapes of Simple Molecules » Hybridization

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Appeared in Year: 2016

MCQ▾

Question

The correct geometry and hybridization for XeF4 are –

Choices

Choice (4) Response

a.

Planar triangle,

b.

Octahedral,

c.

Trigonal bipyramidal,

d.

Square planar,

Question number: 716

» Atomic Structure » Heisenberg Uncertainty Principle

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MCQ▾

Question

If uncertainity in position and momentum are equal then uncertainity in velocity is?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 717

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

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MCQ▾

Question

Acetylene and ethylene react with alk KMnO4 to give -

Choices

Choice (4) Response

a.

Ethyl alcohol and ethylene glycol

b.

Oxalic acid and formic acid

c.

Acetic acid and ethylene glycol

d.

Question does not provide sufficient data or is vague

Question number: 718

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

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MCQ▾

Question

The product of reaction between one mole of acetylene and two moles of HCHO in the presence of Cu is -

Choices

Choice (4) Response

a.

H2C = CH-C≡ C-CH2OH

b.

HOCH2 –C ≡ C-CH2OH

c.

HC = C-CH2OH

d.

None of the above