KCET 2026 Chemistry Answer Key- Download PDF

KCET Questions

• 1.

  $\Lambda^\circ_m (NH_4OH)$ is equal to ___________

  • $\Lambda^\circ_m (NH_4OH) + \Lambda^\circ_m (NH_4Cl) - \Lambda^\circ_m (HCl)$
    
  • $\Lambda^\circ_m (NH_4Cl) + \Lambda^\circ_m (NaOH) - \Lambda^\circ_m (NaCl)$
    
  • $\Lambda^\circ_m (NH_4Cl) + \Lambda^\circ_m (NaCl) - \Lambda^\circ_m (NaOH)$
    
  • $\Lambda^\circ_m (NaOH) + \Lambda^\circ_m (NaCl) - \Lambda^\circ_m (NH_4Cl)$
    
  View Solution

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• 2.

  The equilibrium constant at 298 K for the reaction \( A + B \rightleftharpoons C + D \) is 100. If the initial concentrations of all the four species were 1 M each, then equilibrium concentration of D (in mol/L) will be
  

  • 1.818
    
  • 1.182
    
  • 0.818
    
  • 0.182
    
  View Solution

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• 3.

  Match List-I with List-II and select the correct option: 
  

  • a-i, b-iv, c-iii, d-ii
    
  • a-ii, b-iii, c-iv, d-i
    
  • a-iv, b-iii, c-ii, d-i
    
  • a-iii, b-iv, c-i, d-ii
    
  View Solution

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• 4.

  The electronic configuration of X and Y are given below:
  X: 1s²2s²2p⁶3s²3p³
  Y: 1s²2s²2p⁶3s²3p⁵
  Which of the following is the correct molecular formula and type of bond formed between X and Y?

  • X₂Y₃, coordinate bond
    
  • X₃Y₃, covalent bond
    
  • X₂Y₃, covalent bond
    
  • X₃Y, ionic bond
    
  View Solution

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• 5.

  Given below are the half-cell reactions:
  $Mn^{2+} + 2e^- \rightarrow Mn$ (E$^\circ$ = -1.18 V)
  $Mn^{3+} + e^- \rightarrow Mn^{2+}$ (E$^\circ$ = +1.51 V)
  The E$^\circ_{cell}$ for $3Mn^{2+} \rightarrow Mn + 2Mn^{3+}$ will be \textunderscore\textunderscore\textunderscore\textunderscore
  

  • - 2.69 V, the reaction will not occur (Non-Spontaneous)
    
  • - 2.69 V, the reaction will occur (Spontaneous)
    
  • - 0.33 V, the reaction will not occur (Non-Spontaneous)
    
  • - 0.33 V, the reaction will occur (Spontaneous)
    
  View Solution

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• 6.

  In which of the following pairs, both the elements do not have \( (n-1)d^{10}ns^2 \) configuration?
  

  • Zn, Cd
    
  • Cd, Hg
    
  • Ag, Cu
    
  • Cu, Zn
    
  View Solution