Question # 1

Which functional group is present in glycerol tristearate

Choose an answer

Carboxylic acid

Alcohol

Aldehyde

Ester

The graph between pressure and volume at constant temperature for gas is:

Choose an answer

Isobaric

Isothermal

Isotherm

None of above

Total number of valence electrons in phosphonium ion (PH4-) is

Choose an answer

8

9

12

10

Which of the following has positive value of enthalpy

Choose an answer

Neutralisation

Atomization

combustion

All of the above

Zwitter ion are

Choose an answer

Basic

Acidic

Neutral

Carry both -ve and +ve charges

Which of the following is not a carbohydrate?

Choose an answer

nuclic acid

strach

glycoyen

cellulose

An amine is produced in the following reaction
C2H5l+2NH3-------C2H5NH2 +NH4l. What is mechanism?

Choose an answer

Electrophilic addition

Electrophilic substitution

Nucleophilic addition

Nucleophilic substitution

Which one among the following is not a good leaving group

Choose an answer

HSO4-

CI-

OH-

Br-

If the reaction "P+Q→R+S' is deseribed as being of zero order with respect to P, it means that

Choose an answer

P is catalyst in this reaction

P molecules do not possess sufficient energy to react

The concentration of P does not change during the reaction

The rate of reaction is independent of the concentration of P

Which of the following is the repeating monomeric unit in cellulose?

Choose an answer

sucrose

maltose

cellobiose

glucose

Lithium differs from rest of members of its group due to which of following reasons

Choose an answer

High E.N of Li+1

Small radius

High charge density

All above are correct

The reaction is galvanic cell is

Choose an answer

Spontaneous

Non-spontaneous

Acid-base

None of these

Which compound shows hydrogen bonding

Choose an answer

C₂H₆

C₂H₅CI

CH₃- O - CH₃

C₂H₅OH

Salol is prepared from

Choose an answer

Salicylic acid and phenol

Salicylic acid and methyl alcohol

Both

None

The volume occupied by 1.4 g of N₂at S.T.P is

Choose an answer

2.24 dm³

22.4 dm³

1.12 dm³

112 cm³

Thre rate of S_N2 reaction depends upon the

Choose an answer

Concentration of alkyl halides

Concentration of nucleophile

Concentration of alkyl halides and nucleophile

None of the above

Which of the following phenomena will occur when two atoms of the elements having same spin of electron approach for bonding?

Choose an answer

Orbital overlap will not occur

Bonding will not occur

Both (A) and (B) are correct

None of the above are correct

The rate of reaction between two specific time intervals is called

Choose an answer

Instantaneous rate

Average rate

Specific rate

Ordinary rate

Soft drinks and baby feeding bottles are generally made up of

Choose an answer

Polyester

Polyurethane

Polyurea

Polystyrene

The method in which alkanes prepared by alkyle halides in the presence of palladium - charcoal is

Choose an answer

Hydrolysis

Electrolysis

Hydrogenation

Hydrogenolysis

From ₃₉Y to ₄₈Cd are called

Choose an answer

Transition elements

Outer transition elements

Inner transition elements

2nd transition series

A molecule in which sp²hybrid orbitals are used by the central atom in forming covalent bonds in

Choose an answer

He₂

SO₂

PCl₅

N₂

More Classes

Other Links

Chemistry General Science Test Medium Mode MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer