DAHET Previous Year Question Paper 2016 First Shift Chemistry

Madhya Pradesh DAHET Old Question Paper 2016 First Shift Chemistry

यदि आप MPPEB द्वारा प्रकाशित MP VYAPAM Diploma in Animal Husbandary Entrance Test (DAHET) हेतु आवेदन कर चुके है तो आप अभी Madhya Pradesh DAHET 2021 Exam की तैयारी में लगे होंगे जिसके लिए आप MPPEB DAHET exam syllabus के अनुसार MP DAHET Previous Year Question Papers को सर्च कर रहे होंगे तो ceptam.in की टीम आपके लिए MP Vyapam DAHET Last five years question papers का collection लेकर आयी है जिसमे से एक प्रश्न पत्र यहाँ पर प्रस्तुत है।

DAHET16 – 5thJune_9AM to 11Am_Slot1 – Chemistry
1. Phenol reacts with bromine water to give

(a)    m-bromophenol

(b)   o- bromophenol

(c)    mixture of ortho and para bromophenol

(d)   2,4,6-tribromophenol

Ans: 2,4,6-tribromophenol

2. A metallic crystal lattice having AB….AB…..AB type of three dimensional close packing leaves out voids in the lattice. What percentage of space in the crystal lattice is empty?

(a)    74

(b)   26

(c)    52.4

(d)   60.4

Ans – 26

3. Which one among the following exhibit inert pair effect?

(a)    B

(b)   Bi

(c)    Si

(d)   C

Ans – Bi

4. Which one among the following is NOT regarded as transition elements?

(a)    Cu, Ag, Au

(b)   Zn, Cd, Hg

(c)    Cr, Mo, W

(d)   Ti, Zr, Hf

Ans – Zn, Cd, Hg

5. Compound A when treated with dil NaOH, gives compound B, which on heating give compound C. If compound C is but-2-enal, what is compound A?

(a)    Acetone

(b)   Acetaldehyde

(c)    Butan-2-ol

(d)   Butanal

Ans: Acetaldehyde

6. The molecule diphenylmethane (C13H12)exhibits structural isomerism. How many structural isomers are possible when one of the Hydrogen atoms is replaced by a Bromine atom?

(a)    6

(b)   8

(c)    4

(d)   3

Ans: 4

7. Acetyl chloride is reduced to aldehyde in presence of palladised BaSO4 where as in presence of lithium aluminum hydride it reduces to:

(a)    Ethane

(b)   Ethanol

(c)    Methane

(d)   Ethanal

Ans: Ethanol

8. 20Na11 has n/p ratio less than 1, to increase this ratio the sodium nuclei must emit:

(a)    Electron

(b)   Positron

(c)    Beta particle

(d)   Alpha particle

Ans: Positron

9. The maximum possible number of hydrogen bonds that a water molecule can participate in is

(a)    3

(b)   4

(c)    2

(d)   1

Ans: 4

10. 16 ml of 0.0750 M solution of sulphuric acid neutralizes 23 ml of NaOH. What is the concentration of NaOH?

(a)    1.434 M

(b)   1.343 M

(c)    1.04 M

(d)   0.104 M

Ans: 1.04 M

11 The reagent which form crystalline osazone derivative when treated with glucose is

(a)    Fehling solution

(b)   Benedict solution

(c)    Phenyl hydrazine

(d)   Hydroxyl amine

Ans – Phenyl hydrazine

12 Heating of sulphide ore to remove sulphur is called

(a)    Calcinations

(b)   Roasting

(c)    Smelting

(d)   Fluxing

Ans – Roasting

   
  Data Collected By – K. Jeyanthi
  Published On – 6th Nov 2021

 

 


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