CBSE Class 12 Holistic Health Question Paper 2017 with Answer Key (March 29)

CBSE Class 12 Holistic Health Question Paper 2017 with Answer Key Set 4 is available for download. The exam was conducted by the Central Board of Secondary Education on March 29, 2017 in the Morning Session 10:30 AM to 1:00 PM. The medium of paper was English & Hindi. The question paper comprised a total of 16 questions.

CBSE Class 12 Holistic Health Question Paper 2017 with Answer Key (March 29)

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CBSE Class 12 Previous Year Question Papers

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CBSE CLASS XII Questions

1.
Why are magnesium blocks attached to iron water pipelines?

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2.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

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3.
Give structures of A, B and C: $CH_3Cl \xrightarrow{KCN}$ A $\xrightarrow{LiAlH_4}$ B $\xrightarrow{CHCl_3 + \text{alc. } KOH, \Delta}$ C

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4.
Write mechanism of acid dehydration of ethanol to ethene.

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5.
Which isomer of $C_4H_9Br$ is most reactive towards $S_N1$ reaction?

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6.
Give structures of A, B and C: Aniline $\xrightarrow{Br_2/H_2O}$ A $\xrightarrow{NaNO_2+HCl, 0-5^\circ C}$ B $\xrightarrow{H_3PO_2+H_2O}$ C

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CBSE Class 12 Holistic Health Question Paper 2017 with Answer Key (March 29)

CBSE Class 12 Holistic Health Question Paper 2017 with Answer Key (March 29)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.
Why are magnesium blocks attached to iron water pipelines?

2.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

3.
Give structures of A, B and C: $CH_3Cl \xrightarrow{KCN}$ A $\xrightarrow{LiAlH_4}$ B $\xrightarrow{CHCl_3 + \text{alc. } KOH, \Delta}$ C

4.
Write mechanism of acid dehydration of ethanol to ethene.

5.
Which isomer of $C_4H_9Br$ is most reactive towards $S_N1$ reaction?

6.
Give structures of A, B and C: Aniline $\xrightarrow{Br_2/H_2O}$ A $\xrightarrow{NaNO_2+HCl, 0-5^\circ C}$ B $\xrightarrow{H_3PO_2+H_2O}$ C

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CBSE Class 12 Holistic Health Question Paper 2017 with Answer Key (March 29)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.Why are magnesium blocks attached to iron water pipelines?

2.Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

3.Give structures of A, B and C: $CH_3Cl \xrightarrow{KCN}$ A $\xrightarrow{LiAlH_4}$ B $\xrightarrow{CHCl_3 + \text{alc. } KOH, \Delta}$ C

4.Write mechanism of acid dehydration of ethanol to ethene.

5.Which isomer of $C_4H_9Br$ is most reactive towards $S_N1$ reaction?

6.Give structures of A, B and C: Aniline $\xrightarrow{Br_2/H_2O}$ A $\xrightarrow{NaNO_2+HCl, 0-5^\circ C}$ B $\xrightarrow{H_3PO_2+H_2O}$ C

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1.
Why are magnesium blocks attached to iron water pipelines?

2.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

3.
Give structures of A, B and C: $CH_3Cl \xrightarrow{KCN}$ A $\xrightarrow{LiAlH_4}$ B $\xrightarrow{CHCl_3 + \text{alc. } KOH, \Delta}$ C

4.
Write mechanism of acid dehydration of ethanol to ethene.

5.
Which isomer of $C_4H_9Br$ is most reactive towards $S_N1$ reaction?

6.
Give structures of A, B and C: Aniline $\xrightarrow{Br_2/H_2O}$ A $\xrightarrow{NaNO_2+HCl, 0-5^\circ C}$ B $\xrightarrow{H_3PO_2+H_2O}$ C