• A. $H_{2}S{O}_4$
• B. ${\mathrm{KMnO}}_4$
• C. $N{a}_{2}C{O}_3$
• D. $\mathrm{NaOH}$

Answer: Option C

Explanation:

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• A. $s{p}^2-sp$
• B. $s{p}^2-s{p}^{\mathit{2}}$
• C. $s{p}^3-s{p}^3$
• D. $s{p}^3-sp$

Answer: Option D

Explanation:

• A. $C{H}_4$
• B. $N{H}_3$
• C. $\mathrm{HF}$
• D. $H_{2}O$

Answer: Option A

Explanation:

• A. $K_p=K_c$
• B. $K_P=K_c{\left(RT\mathit{\right)}}^{\mathit{-}\mathit{2}}$
• C. $K_P=K_c{\left(RT\mathit{\right)}}^{\mathit{-}\mathit{1}}$
• D. $K_{\mathrm{c}}=K_{\mathrm{p}}{\left(RT\mathit{\right)}}^{\mathit{-}\mathit{2}}$

Answer: Option B

Explanation:

• A. ${\mathrm{Fecl}}_3$
• B. $\mathrm{Na}, \mathrm{conc}. \mathrm{HCl}$
• C. $acidic\mathit{ }{K}_{2}C{r}_2{O}_7$
• D. ${\mathrm{NaHCO}}_3$

Answer: Option A

Explanation:

• A. ${\mathrm{NH}}_4{\mathrm{NO}}_3$
• B. ${\mathrm{NH}}_4\mathrm{CNO}$
• C. ${\left({\mathrm{NH}}_4\right)}_2{\mathrm{CO}}_3$
• D. ${\mathrm{NH}}_4\mathrm{Cl}$

Answer: Option B

Explanation:

• A. ${\mathrm{CH}}_4$
• B. ${\mathrm{NH}}_3$
• C. ${\mathrm{H}}_2\mathrm{O}$
• D. ${\mathrm{CO}}_2$

Answer: Option D

Explanation:

• A. $C{H}_{3}CH=C{H}_2$
• B. $C_6{H}_{5}OH$
• C. $C_6{H}_{5}N{H}_2$
• D. $C_6{H}_{5}C{H}_3$

Answer: Option D

Explanation:

• A. $C{H}_{3}COC{H}_3$
• B. $C{H}_{3}C{H}_{2}C{H}_{2}OH$
• C. $C{H}_{3}CH=C{H}_2$
• D. $C{H}_{3}C{H}_{2}COOH$

Answer: Option A

Explanation:

• A. $N_2$
• B. $O_2$
• C. $N{H}_3$
• D. $Ar$

Answer: Option C

Explanation:

• A. $d_{x^2-y^2}, d_{z^2}$
• B. $d_{xy}, d_{z^2}$
• C. $d_{yz}, d_{x^2-y^2}$
• D. $d_{xy}, d_{xz}$

Answer: Option A

Explanation:

• A. ${\mathrm{Br}}_2\mathrm{C}={\mathrm{CBr}}_2$
• B. ${\mathrm{COCI}}_2$
• C. $HCHO$
• D. ${\mathrm{BF}}_3$

Answer: Option C

Explanation:

• A. ${\mathrm{CH}}_3^{+}$
• B. ${\mathrm{CH}}_3^{-}$
• C. ${\mathrm{NH}}_2^{-}$
• D. ${\mathrm{NH}}_4^{+}$

Answer: Option B

Explanation:

• A. $\mathrm{CH}\equiv \mathrm{CH}$
• B. ${\mathrm{CH}}_2={\mathrm{CH}}_2$
• C. ${\mathrm{C}}_6{\mathrm{H}}_6$
• D. ${\mathrm{CH}}_4$

Answer: Option A

Explanation:

• A. $\left[Ar\right]3d^{5}4s^1$
• B. $\left[Ar\right]4s^{2}3d^4$
• C. $\left[Kr\right]4d^{5}5s^1$
• D. $\left[Kr\right]4d^{4}5s^2$

Answer: Option A

Explanation: