Which of the following is amphoteric 1 CO 2 PbO 3 SiO 4 SeO
Last updated: 7/3/2023
Which of the following is amphoteric 1 CO 2 PbO 3 SiO 4 SeO 2 124 Litharge is not commonly used in 1 manufacture of special glasses 2 glazzing pottery 3 preparing paints 4 lead storage battery 125 The increasing order of the reactivity of the following compounds towards electrophilic aromatic substitution reaction is COCH CH 1 II 1 III I II 2 III II 1 3 II I III 4 I III I 127 126 The liquefied gas that is used in dry cleaning along with a suitable detergent is 1 Water gas 2 Petroleum gas 3 NO 4 CO III and Which of the following pairs of structures does not represent isomers and 0 40 0 and 3 128 1 79 2 118 5 mandelic acid has a specific rotation of 158 What would be the observed specific rotation of a mixture containing 25 mandelic acid and 75 mandelic acid 3 79 4 118 5 391950 1 16 2 8 3 4 4 2 129 The total number of optically active isomers for CH OH CHOH CHO are and 130 The compound with an isopropyl group is 1 2 2 3 3 tetramethylpentane 2 2 2 dimethylpentane 3 2 2 3 trimethylpentane 4 2 methylpentane 131 1 1 2 2 3 4 3 1 2 3 4 1 3 Which of the following compounds will show geometrical isomerism 1 2 butene 2 Propene 3 1 phenylpropene 4 2 methylbut 2 ene 132