UP Board Solution Class 12 Chemistry. We covered all the UP Board Solution Class 12 Chemistry in this post for free so that you can practice well for the exam.
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UP Board Solution Class 12 Chemistry Objective Questions for Students
According to Bronsted concept, the base is a substance that is
(A) a Proton doner
(B) a Proton accepter
(C) an Electron donor
(D) an Electron accepter
Option b – a Proton accepter
Lewis acids are
(A) Electrophiles
(B) Nucleophiles
(C) Electron pair doner
(D) Proton accepter
Option a – Electrophiles
Which of the following fluoro-compounds is most likely to behave as a Lewis base?
(A) BF3
(B) PF3
(C) CF4
(D) SiF4
Option b – PF3
What is the pH of the resulting solution when equal volumes of 0.1 M NaOH and 0.01 M HCl are mixed?
(A) 12.65
(B) 2.0
(C) 7.0
(D) 1.04
Option a – 12.65
Which one of the following pairs of solutions is not an acidic buffer?
(A) HCIO4 and NaClO4
(B) CH3COOH and CH3COONa
(C) H₂CO3 and Na2CO3
(D) H3PO4 and Na3PO4
Option a – HCIO4 and NaClO4
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