Lyophilic sols are more stable than lyophobic sols because, (A) the colloidal particles have no charge. (B) the colloidal particles have positive charge. (C) the colloidal particles are solvated. (D)

Question

Lyophilic sols are more stable than lyophobic sols because,

(A) the colloidal particles have no charge.
(B) the colloidal particles have positive charge.
(C) the colloidal particles are solvated.
(D) there is a strong electrostatic repulsion between the negatively charged colloidal particles. nzofojkxh lkWyksa dh vis{kk nzojkxh lkWy vf/kd fLFkj gksrs gSa] D;ksafd& (1) dksykbMh d.kksa ij dksbZ vkos'k ugha gksrk gSA (2) dksykbMh d.kksa ij /kukRed vkos'k gksrk gSA (3) dksykbMh d.k foyk;d;ksftr gksrs gSaA (4) _.kkRed vkosf'kd dksykbMh d.kksa ds e/; izcy fLFkj oS|qr izfrd"kZ.k gksrk gSA

Prashant Kotian · Accepted Answer

Correct answer: C. Lyophilic sols are quite stable and cannot be easily coagulated. Lyophobic sols need stabilisingagents for their preservation. Property Lyophilic colloids Lyophobic colloids Stability These are very stable These are unstable and require traces of stabilizers | JEE MAIN-2021 | DATE : 27-08-2021 (SHIFT-2) | PAPER-1 | OFFICAL PAPER | CHEMISTRY PAGE # 4

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