NEET 2022 Question Paper with Answer Key PDF in English R6

NEET Questions

• 1.

  Sugar ‘X’:
  A. is found in honey.
  B. is a keto sugar.
  C. exists in $\alpha$ and $\beta$ anomeric forms.
  D. is laevorotatory.
  ‘X’ is:

  • D-Fructose
    
  • Sucrose
    
  • Maltose
    
  • D-Glucose
    
  View Solution

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• 2.

  Among the given compounds I-III, the correct order of bond dissociation energy of the C-H bond marked with is:

  • I $>$ II $>$ III
    
  • III $>$ II $>$ I
    
  • II $>$ I $>$ III
    
  • I $>$ III $>$ II
    
  View Solution

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• 3.

  Identify the suitable reagent for the following conversion: $Ph-C(=O)-OCH_3$ $\longrightarrow$ $Ph-CHO$

  • (i) $AlH(iBu)_{2}$ (ii) $H_{2}O$
     

  • (i) $NaBH_{4}$, (ii) $H^{+}H_{2}O$
     

  • $H_{2}$ $Pd-BaSO_{4}$
     

  • (i) $LiAlH_{4}$, (ii) $H^{+}$$H_{2}O$
     

  View Solution

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• 4.

  The major product of the following reaction is:
  $Ph-C(=O)-CH_2CH_2-CN$
  (i) $CH_{3}MgBr (excess) (ii) H_{+}H_{2}O$

  • \(Ph-CH(CH_3)-CH_2-COCH_3\)
    
  • $Ph-C(CH_3)(OH)-CH(CH_3)_2$
    
  • $Ph-CO-CH_2CH_2CH_3$
    
  • $Ph-CH(CH_3)-CH_2-CN$
    
  View Solution

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• 5.

  A microscope has an objective of focal length \(f_o = 2\) cm and an eyepiece of focal length \(f_e = 4\) cm. The tube length of the microscope is \(L = 40\) cm. If the distance of distinct vision of eye is \(D = 25\) cm, the magnification in the microscope is:

  • \( 125 \)
    
  • \( 150 \)
    
  • \( 250 \)
    
  • \( 100 \)
    
  View Solution

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• 6.

  The correct order of decreasing acidity of the following aliphatic acids is:

  • $CH_{3}COOH$ $>$ (CH_{3})_{2}CHCOOH $>$$ (CH_{3})_{3}CCOOH$ $>$ HCOOH
     

  • $CH_3COOH > (CH_3)_2CHCOOH > (CH_3)_3CCOOH$

  • $HCOOH > (CH_3)_3CCOOH > (CH_3)_2CHCOOH > CH_3COOH$

  • $(CH_3)_3CCOOH > (CH_3)_2CHCOOH > CH_3COOH > HCOOH$

  View Solution