• A. $-C{H}_{2}OH$
• B. $-COOR$
• C. $-CON{H}_2$
• D. $-COCI$

Answer: Option D

Explanation:

• A. $CIF$
• B. $PC{I}_3$
• C. $Si{F}_4$
• D. $CFC{I}_3$

Answer: Option C

Explanation:

• A. $N{a}_{2}C{O}_3$
• B. $K_{2}C{r}_2{O}_7$
• C. $KMn{O}_4$
• D. $N{a}_2{C}_2{O}_4$

Answer: Option B

Explanation:

• A. $Si{O}_{2}gel$
• B. $CaC{l}_2$
• C. $Conc.H_{2}S{O}_4$
• D. $A{l}_2{O}_3$

Answer: Option C

Explanation:

• A. $hybridized$
• B. $S{P}^{2}hybridized$
• C. $S{P}^{3}hybridized$
• D. $s^{2}P hybridized$

Answer: Option A

Explanation:

• A. $50\%C{H}_{3}OH$
• B. $100\%C{H}_{3}OH$
• C. $95\%C{H}_{2}C{H}_{2}OH+5\%C{H}_{3}OH$
• D. $95\% Rectifiedspirit + 5\%C{H}_{2}OH$

Answer: Option D

Explanation:

• A. $1.0M N{a}_2,C{O}_3$
• B. $1.0g H_2,S{O}_4$
• C. $1.0ml H_{2}S{O}_4$
• D. $1.01 ml H_{2}S{O}_4$

Answer: Option A

Explanation:

• A. $CaO.N{a}_{2}O$
• B. $CaO.St{O}_2$
• C. $CaO.A{l}_2{O}_3$
• D. $F{e}_2{O}_3.MnO$

Answer: Option B

Explanation:

• A. $(C{H}_3{)}_{3}COH$
• B. $(C{H}_3{)}_{2}CHOH$
• C. $C{H}_3\left(C{H}_2\right)OH$
• D. $C{H}_{3}C{H}_{2}OH$

Answer: Option A

Explanation:

• A. $2.5x{10}^{18}$
• B. $3.5\times {10}^{20}$
• C. $3.5\times {10}^{22}$
• D. $3.0\times {10}^{22}$

Answer: Option D

Explanation:

• A. $C{H}_3-\underset{N{H}_2}{CH}-COOH$
• B. $\underset{N{H}_2}{C{H}_2}-COOH$
• C. $(C{H}_3{)}_{2}CH-\underset{N{H}_2}{C{H}_{}}-COOH$
• D. $C{H}_6{H}_5-C{H}_2-\underset{N{H}_2}{C{H}_{}}-COOH$

Answer: Option B

Explanation:

• A. $Conc.HCl+ZnC{l}_2$
• B. $Conc.H_{2}S{O}_4+ZnC{l}_2$
• C. $Conc.NaOH+ZnC{l}_2$
• D. $Conc.KOH+ZnC{l}_2$

Answer: Option A

Explanation:

• A. ${\mathrm{CH}}_3$
• B. ${{\left({\mathrm{CH}}_3\right)}_2}^{+}\mathrm{CH}$
• C. ${\mathrm{H}}_2{\mathrm{C}}^{+}{\mathrm{CH}}_3$
• D. $\left({\mathrm{CH}}_3\right){\mathrm{C}}^{+}$

Answer: Option D

Explanation:

• A. $C_6{H}_{5}CHBrCl$
• B. $CICH=CHCI$
• C. $C{H}_2=C{H}_2$
• D. $C{H}_3 CH\left(OH\right)COOH$

Answer: Option B

Explanation:

• A. $N{H}_{4}Cl+N{H}_{4}OH$
• B. $C{H}_{3}COONa+C{H}_{3}COOH$
• C. $NaOH + HCl$
• D. $HCOONa + HCOOH$

Answer: Option C

Explanation: