3 public questions tagged with this topic.
KCN provides CN⁻ , which undergoes nucleophilic substitution with CH₃CH₂Br to form CH₃CH₂CN (propanenitrile).
Ref: NCERT Class 12 Chemistry > Chapter 6: Haloalkanes and Haloarenes > Topic: Nucleophilic Substitution Reactions - SN1 and SN2 Mechanisms
In [Ni(CN)4]2−, each CN− is −1, totaling −4 for 4 ligands. The overall charge is −2. Thus, x + (−4) = −2, so x = +2.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Isomerism - Geometrical Isomerism in Coordination Compounds
B fits best: Cytochrome c oxidase. Keep the PLANT SEC METABOLITES basics straight and Cytochrome c oxidase stands out as the precise answer. Avoid: A) ATP synthase; C) Rubisco; D) NR. Light and flowering items often hinge on which photoreceptor or day-length rule is in play.
Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.
