Chapter-4: Chemical Bonding and Molecular Structure 1. The hybrid state of sulphur in SO2 molecule is : sp² sp³ sp sp³d [su_spoiler title=”Answer ” style=”fancy”] sp² [/su_spoiler] 2. Which one of the following does not have sp² hybridised carbon? Acetone Acetic acid Acetonitrile Acetamide [su_spoiler title=”Answer ” style=”fancy”] Acetonitrile [/su_spoiler] 3. Which one of the […]

Chapter-3: Classification of Elements and Periodicity in Properties 1. Which of the following has the highest boiling point? Ne Xe Ar Kr. [su_spoiler title=”Answer ” style=”fancy”] Xe [/su_spoiler] 2. Which of the following has the maximum number of unpaired electrons? Mg2+ Ti3+ V3+ Fe2+ [su_spoiler title=”Answer ” style=”fancy”] Fe2+ [/su_spoiler] 3. Representative elements are those

Chapter-2: Structure of Atom 1. The credit of discovering neutron goes to Rutherford Thomson Goldstein Chadwick [su_spoiler title=”Answer ” style=”fancy”] Chadwick [/su_spoiler] 2. For principal quantum number n = 4, the total number of orbitals having l = 3 is 3 7 5 9 [su_spoiler title=”Answer ” style=”fancy”] 7 [/su_spoiler] 3. The maximum number of

Chapter-1: Some Basic Concepts of Chemistry 1 .  Which of the following halogen can be purified by sublimation F2 Cl2 Br2 I2 [su_spoiler title=”Answer ” style=”fancy”] I2 [/su_spoiler] 2. Which has maximum number of atoms? 24 g of C (12) 56 g of Fe (56) 27 gof Al (27) 108 g of Ag (108) [su_spoiler