Question

i) Which of the following is correct hybridization of CH4 molecule ?

a. sp b. sp2

c. sp3

d. None of these

ii) How many g of H2O are present in 0.25 mol of it ?

a. 4.5 b. 18 c. 0.25 d. 5.4

iii) . If the valence shell electronic configuration is ns2 np5

, the element will belong to:

a. alkali metals b. halogens

c. alkaline earth metals d. actinides

iv) Which of the following quantum no denotes the size of shell

a. Principle QN b. Azimuthal QN c. Magnetic QN d. Spin QN

v) . For the following redox reactions, find the correct statement.

Sn2⊕ + 2 Fe3⊕ Sn4⊕ + 2Fe2⊕

a. Sn2⊕ is undergoing oxidation

b. Fe3⊕ is undergoing oxidation

c. It is not a redox reaction

d. Both Sn2⊕ and Fe3⊕ are oxidised

vi) What will be the molarity of solution if 10 g NaOH is dissolved in 500ml solution?

a. 1 Molar b. 0.5 Molar c. 2 Molar d. 0.25 Molar

vii) The coefficients p, q, r, s in the reaction

p Cr2 O7

2- + q Fe2+ r Cr3+ + s Fe3+ + H2 O respectively are :

a. 1, 2, 6, 6 b. 6, 1, 2, 4 c. 1, 6, 2, 6 d. 1, 2, 4, 6​

Answer 1

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Answer 2

The type of hybridization involved with CH4 is sp3. We will discuss in detail how this hybridization occurs below.

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• Hybridization of CH4 -(Methane)
• Name of the Molecule- Methane
• Molecular Formula -CH4
• Hybridization Type- sp3
• Bond Angle- 109.5o
• Geometry -Tetrahedral