Question

SECTION A (OBJECTIVE TYPE)
1. Read the passage given below and answer the following questions:.
(1x4=4
Periodic properties shows a regular gradation on moving from left to right in a period or from top to bottom in a gre
Down the group the atomic / ionic radii, metallic character and reducing character increases while ionization enthal
and electronegativity decreases. However ionization enthalpy, electronegativity, non metallic character and oxidizing
power increases. However
, electron gain enthalpy becomes less negative along a period. In contrast, inert gases having
Thefollowing questions are multiple choice questions. Choose the most appropriate answer:
I. If the ionic radii of K and F are about 1.34 Aº each, then the expected values of atomic radii of K
and F should be respectively:
a) 2.31 Aº and 0.64 Aº
5) 2.3! Aº and 1.34 4°
II.
c) 0.64 Aº and 2.31 A
d) 1.34 Aº and 1.34 Aº
Which of the following isoelectronic ions has the lowest first ionization enthalpy?
a) K
b) Cat
c) CI
d) S2
Among the following elements whose electronic configuration are given below the one having the
highest ionization enthalpy is
a) [Ne]3s 3p!
b) [Ne]3s 3p c) [Ar]3d104s24p d)[Ne]3s 3p?
IV. Tick the correct order of second ionisation enthalpy in the following:
a) F>O>>C
b) O>F>>C
c) O>N>F>C
d) C>N>O>F
2. Read the passage given below and answer the following questions
The simplest unsaturated hydrocarbons containing one da ble hand​

Answer 1

Answer:

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