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Question: Answered & Verified by Expert
Which of these statements is not true ?
Chemistryp Block Elements (Group 13 & 14)JEE Main
Options:
  • A LiAlH4 is versatile reducing agent in organic synthesis.
  • B NO+ is isoelectronic with O2
  • C Boron is always covalent in its compounds
  • D In aqueous solution, the Tl+ ion is much more stable than Tl (III)
Solution:
2349 Upvotes Verified Answer
The correct answer is: NO+ is isoelectronic with O2
(i) LiAlH4 is a versatile reducing agent
(ii) NO+ (14 electrons), O2(16 electrons) not isoelectronic
(iii) ​Tl+ is more stable due to Inert pair effect
(iv) Boron compounds are ionic as well 

B 2 O 3 + 2 NaOH → 2 NaBO 2 + H 2 O  
                                 (Sodium meta Borate)            

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