ELEMENTARY IMP Q

AIEEE 2015 Forum › General Chemistry questions › ELEMENTARY IMP Q

how does an indicator correctly indicate the endpoint of a rxn , wen it can change colour over a range of ph

eg range of phenolphtalein is 8 -10 but its used to indicate specific endpts like 8.5

#Chemistry #General Chemistry

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8 Answers

9

Celestine preetham ·2009-01-12 01:52:09

someone ans please
its my dbt not challenge

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1357

Manish Shankar ·2009-01-12 02:10:50

You can get some idea when you see the titration curves

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11

Anirudh Narayanan ·2009-01-12 02:11:57

Titration curves????
What are they? [7][7][7]

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1357

Manish Shankar ·2009-01-12 02:13:48

pH curves of titration

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9

Celestine preetham ·2009-01-12 03:33:22

how

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9

Celestine preetham ·2009-01-12 04:40:29

manish sir dint understand how to get ideas frm titration curves

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9

Celestine preetham ·2009-01-12 04:57:07

yup i got it thanks

http://www.chemguide.co.uk/physical/acidbaseeqia/phcurves.html

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1

voldy ·2009-01-12 23:58:52

thanks celestine.
very useful da. :)

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Your Answer

Basic Integral Calculus Operators Symbols Matrix Cases

√ √ || {} [] () → ~ ^ x x x → → ln log lg lim lim cos sin tan cot arcsin arccos arctan

∫ ∫ ∫ ∫ ∫ ∬ ∬ ∬ ∬ ∬ ∭ ∭ ∭ ∭ ∭ ⨌ ⨌ ⨌ ⨌ ⨌

∑ ∑ ∑ ∑ ∑ ∮ ∮ ∮ ∮ ∮ ∏ ∏ ∏ ∏ ∏ ∐ ∐ ∐ ∐ ∐

+ - × ÷ ± ∓ = ∪ ∩ ≠ ∼ ≈ ∅ ∀ ∃ ∈ ∋ ∝ ≤ ≥ ≃ ≅ ≡ < > ≪ ≫ ⊂ ∉ ⊃ ⊆ ⊇ ⇒ ⇐ ⇔ ⇒ ⇐ ⇔ ⇑ ⇓ ⇕ → ← ↔ → ← ↔ ↑ ↓ ↕ ↖ ↗ ↘ ↙ ↪ ↩ ⇀ ↼ ⇁ ↽

° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω